Your IP : 172.28.240.42
<?php
/*
+--------------------------------------------------------------------------
| Invision Power Board
| =============================================
| by Matthew Mecham
| (c) 2001 - 2006 Invision Power Services, Inc.
| Nullified by Terabyte
| =============================================
|
|
+---------------------------------------------------------------------------
| > $Date: 2006-11-03 17:54:54 -0500 (Fri, 03 Nov 2006) $
| > $Revision: 709 $
| > $Author: bfarber $
+---------------------------------------------------------------------------
|
| > Task Manager functions
| > Script written by Matt Mecham
| > Date started: 29th September 2003
| > DBA Checked: Fri 21 May 2004
|
+--------------------------------------------------------------------------
*/
if ( ! defined( 'IN_IPB' ) )
{
print "<h1>Incorrect access</h1>You cannot access this file directly.";
exit();
}
class func_taskmanager
{
# Global
var $ipsclass;
var $type = 'internal';
var $root_path = './';
var $time_now = 0;
var $date_now = array();
var $cron_key = "";
var $date;
/*-------------------------------------------------------------------------*/
//
// CONSTRUCTOR
//
/*-------------------------------------------------------------------------*/
function func_taskmanager()
{
$this->time_now = time();
$this->date_now['minute'] = intval( gmdate( 'i', $this->time_now ) );
$this->date_now['hour'] = intval( gmdate( 'H', $this->time_now ) );
$this->date_now['wday'] = intval( gmdate( 'w', $this->time_now ) );
$this->date_now['mday'] = intval( gmdate( 'd', $this->time_now ) );
$this->date_now['month'] = intval( gmdate( 'm', $this->time_now ) );
$this->date_now['year'] = intval( gmdate( 'Y', $this->time_now ) );
}
/*-------------------------------------------------------------------------*/
//
// Run the task
//
/*-------------------------------------------------------------------------*/
function run_task()
{
if ( isset( $_REQUEST['ck'] ) AND $_REQUEST['ck'] )
{
$this->type = 'cron';
$this->cron_key = substr( trim(stripslashes($this->ipsclass->txt_alphanumerical_clean($_REQUEST['ck']))), 0, 32 );
}
if ( $this->type == 'internal' )
{
//-----------------------------------------
// Loaded by our image...
// ... get next job
//-----------------------------------------
$this_task = $this->ipsclass->DB->simple_exec_query( array( 'select' => '*',
'from' => 'task_manager',
'where' => 'task_enabled = 1 AND task_next_run <= '.$this->time_now,
'order' => 'task_next_run ASC',
'limit' => array(0,1)
) );
}
else
{
//-----------------------------------------
// Cron.. load from cron key
//-----------------------------------------
$this_task = $this->ipsclass->DB->simple_exec_query( array( 'select' => '*',
'from' => 'task_manager',
'where' => "task_cronkey='".$this->cron_key."'",
) );
}
if ( $this_task['task_id'] )
{
//-----------------------------------------
// Locked?
//-----------------------------------------
if ( $this_task['task_locked'] > 0 )
{
# Yes - now, how long has it been locked for?
# If longer than 30 mins, unlock as something
# has gone wrong.
if ( $this_task['task_locked'] < time() - 1800 )
{
$newdate = $this->generate_next_run($this_task);
$this->ipsclass->DB->do_update( 'task_manager', array( 'task_next_run' => $newdate, 'task_locked' => 0 ), "task_id=".$this_task['task_id'] );
$this->save_next_run_stamp();
}
# Cancel and return
return;
}
//-----------------------------------------
// Got it, now update row, lock and run..
//-----------------------------------------
$newdate = $this->generate_next_run($this_task);
$this->ipsclass->DB->do_update( 'task_manager', array( 'task_next_run' => $newdate, 'task_locked' => time() ), "task_id=".$this_task['task_id'] );
$this->save_next_run_stamp();
if ( file_exists( $this->root_path.'sources/tasks/'.$this_task['task_file'] ) )
{
require_once( $this->root_path.'sources/tasks/'.$this_task['task_file'] );
$myobj = new task_item();
$myobj->register_class( $this );
$myobj->pass_task( $this_task );
$myobj->run_task();
//-----------------------------------------
// Any shutdown queries
//-----------------------------------------
$this->ipsclass->DB->return_die = 0;
if ( count( $this->ipsclass->DB->obj['shutdown_queries'] ) )
{
foreach( $this->ipsclass->DB->obj['shutdown_queries'] as $q )
{
$this->ipsclass->DB->query( $q );
}
}
$this->ipsclass->DB->return_die = 1;
$this->ipsclass->DB->obj['shutdown_queries'] = array();
}
}
}
/*-------------------------------------------------------------------------*/
// Unlock task
/*-------------------------------------------------------------------------*/
function unlock_task($task=array())
{
if ( !isset($task['task_id']) OR !$task['task_id'] )
{
return;
}
$this->ipsclass->DB->do_update( 'task_manager', array( 'task_locked' => 0 ), 'task_id='.$task['task_id'] );
}
/*-------------------------------------------------------------------------*/
//
// Update next run variable in the systemvars cache
//
/*-------------------------------------------------------------------------*/
function save_next_run_stamp()
{
$this_task = $this->ipsclass->DB->simple_exec_query( array( 'select' => 'task_next_run', 'from' => 'task_manager', 'where' => 'task_enabled = 1', 'order' => 'task_next_run ASC', 'limit' => array(0,1) ) );
if ( ! $this_task['task_next_run'] )
{
//-----------------------------------------
// Fail safe...
//-----------------------------------------
$this_task['task_next_run'] = $this->time_now + 3600;
}
$cache_array = array();
$cache = $this->ipsclass->DB->simple_exec_query( array( 'select' => '*', 'from' => 'cache_store', 'where' => "cs_key='systemvars'" ) );
$cache_array = unserialize(stripslashes($cache['cs_value']));
$cache_array['task_next_run'] = $this_task['task_next_run'];
$this->ipsclass->update_cache( array( 'array' => 1, 'name' => 'systemvars', 'donow' => 1, 'deletefirst' => 0 ) );
}
/*-------------------------------------------------------------------------*/
//
// Generate next_run unix timestamp
//
/*-------------------------------------------------------------------------*/
function generate_next_run($task=array())
{
//-----------------------------------------
// Did we set a day?
//-----------------------------------------
$day_set = 1;
$min_set = 1;
$day_increment = 0;
$this->run_day = $this->date_now['wday'];
$this->run_minute = $this->date_now['minute'];
$this->run_hour = $this->date_now['hour'];
$this->run_month = $this->date_now['month'];
$this->run_year = $this->date_now['year'];
if ( $task['task_week_day'] == -1 and $task['task_month_day'] == -1 )
{
$day_set = 0;
}
if ( $task['task_minute'] == -1 )
{
$min_set = 0;
}
if ( $task['task_week_day'] == -1 )
{
if ( $task['task_month_day'] != -1 )
{
$this->run_day = $task['task_month_day'];
$day_increment = 'month';
}
else
{
$this->run_day = $this->date_now['mday'];
$day_increment = 'anyday';
}
}
else
{
//-----------------------------------------
// Calc. next week day from today
//-----------------------------------------
$this->run_day = $this->date_now['mday'] + ( $task['task_week_day'] - $this->date_now['wday'] );
$day_increment = 'week';
}
//-----------------------------------------
// If the date to run next is less
// than today, best fetch the next
// time...
//-----------------------------------------
if ( $this->run_day < $this->date_now['mday'] )
{
switch ( $day_increment )
{
case 'month':
$this->_add_month();
break;
case 'week':
$this->_add_day(7);
break;
default:
$this->_add_day();
break;
}
}
//-----------------------------------------
// Sort out the hour...
//-----------------------------------------
if ( $task['task_hour'] == -1)
{
$this->run_hour = $this->date_now['hour'];
}
else
{
//-----------------------------------------
// If ! min and ! day then it's
// every X hour
//-----------------------------------------
if ( ! $day_set and ! $min_set )
{
$this->_add_hour( $task['task_hour'] );
}
else
{
$this->run_hour = $task['task_hour'];
}
}
//-----------------------------------------
// Can we run the minute...
//-----------------------------------------
if ( $task['task_minute'] == -1 )
{
$this->_add_minute();
}
else
{
if ( $task['task_hour'] == -1 and ! $day_set )
{
//-----------------------------------------
// Runs every X minute..
//-----------------------------------------
$this->_add_minute($task['task_minute']);
}
else
{
//-----------------------------------------
// runs at hh:mm
//-----------------------------------------
$this->run_minute = $task['task_minute'];
}
}
if ( $this->run_hour <= $this->date_now['hour'] and $this->run_day == $this->date_now['mday'] )
{
if ( $task['task_hour'] == -1 )
{
//-----------------------------------------
// Every hour...
//-----------------------------------------
if ( $this->run_hour == $this->date_now['hour'] and $this->run_minute <= $this->date_now['min'] )
{
$this->_add_hour();
}
}
else
{
//-----------------------------------------
// Every X hour, try again in x hours
//-----------------------------------------
if ( ! $day_set and ! $min_set )
{
$this->_add_hour($task['task_hour'] );
}
//-----------------------------------------
// Specific hour, try tomorrow
//-----------------------------------------
else if ( ! $day_set )
{
$this->_add_day();
}
else
{
//-----------------------------------------
// Oops, specific day...
//-----------------------------------------
switch ( $day_increment )
{
case 'month':
$this->_add_month();
break;
case 'week':
$this->_add_day(7);
break;
default:
$this->_add_day();
break;
}
}
}
}
//-----------------------------------------
// Return stamp...
//-----------------------------------------
$next_run = gmmktime( $this->run_hour, $this->run_minute, 0, $this->run_month, $this->run_day, $this->run_year );
return $next_run;
}
/*-------------------------------------------------------------------------*/
//
// Add to the log file
//
/*-------------------------------------------------------------------------*/
function append_task_log($task,$desc)
{
if ( ! $task['task_log'] )
{
return;
}
$save = array( 'log_title' => $task['task_title'],
'log_date' => time(),
'log_ip' => $this->ipsclass->my_getenv('REMOTE_ADDR'),
'log_desc' => $desc
);
$this->ipsclass->DB->do_insert( 'task_logs', $save );
}
/*-------------------------------------------------------------------------*/
//
// Add on a month for the next run time..
//
/*-------------------------------------------------------------------------*/
function _add_month()
{
if ($this->date_now['month'] == 12)
{
$this->run_month = 1;
$this->run_year++;
}
else
{
$this->run_month++;
}
}
/*-------------------------------------------------------------------------*/
//
// Add on a day for the next run time..
//
/*-------------------------------------------------------------------------*/
function _add_day($days=1)
{
if ( $this->date['mday'] >= ( gmdate( 't', $this->time_now ) - $days ) )
{
$this->run_day = ($this->date['mday'] + $days) - date( 't', $this->time_now );
$this->_add_month();
}
else
{
$this->run_day += $days;
}
}
/*-------------------------------------------------------------------------*/
//
// Add on a hour for the next run time...
//
/*-------------------------------------------------------------------------*/
function _add_hour($hour=1)
{
if ($this->date_now['hour'] >= (24 - $hour ) )
{
$this->run_hour = ($this->date_now['hour'] + $hour) - 24;
$this->_add_day();
}
else
{
$this->run_hour += $hour;
}
}
/*-------------------------------------------------------------------------*/
//
// Add on a minute...
//
/*-------------------------------------------------------------------------*/
function _add_minute($mins=1)
{
if ( $this->date_now['minute'] >= (60 - $mins) )
{
$this->run_minute = ( $this->date_now['minute'] + $mins ) - 60;
$this->_add_hour();
}
else
{
$this->run_minute += $mins;
}
}
}
?>